Background The presentation of multiple simultaneous trauma patients to an Emergency Department is likely to place significant stress and strain on trauma care resources. Currently there is limited literature and no UK or multicentre data available to understand this impact. The aim of this study was to identify patient outcomes when there are simultaneous major trauma patients. We hypothesised that with increasing numbers of simultaneous trauma patients an increase in mortality may be seen.
Methods The Trauma Audit and Research Network (TARN) database was interrogated from 2010–2015 to identify simultaneous major trauma patients. We defined simultaneous trauma as occurring when there was more than one trauma patient within an Emergency Department at any one time.
Patient age, sex, Glasgow Coma Scale and Injury Severity Score (ISS) were recorded. A standardised comparison using a stratified Ws statistic was conducted to compare mortality between groups. Secondary outcomes included length of hospital and intensive care (ICU) stay.
Results Of 2 07 094 patients, 33.7% were eligible simultaneous trauma patients. 55.7% of patients were male, median age was 61 and median ISS was 9. No increase in mortality was seen with increasing patient numbers (table 1).
A statistically significant increase in length of ICU stay was observed for the 6+patient category (p=0.047) but no difference was reported in hospital stay.
Conclusion The impact of simultaneous trauma patients on patient outcomes within the UK has not been previously defined. Simultaneous trauma patients do not appear to have an impact on mortality (as measured by Ws statistic).
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